Knock Sensor 1 -G61- / Knock Sensor 2 -G66-, REMOVING AND INSTALLING: Installing
WARNING: This page is about a different car, the 2024 Audi S6 and 2024 Audi A6 Quattro. However, it is still accessible from the selected car via links, so may be relevant.
Install in the reverse order of removal while noting the following:
TIP:
The tightening specification affects the function of the knock sensor.